Synthesis and cytotoxic activities of selenium nanoparticles incorporated nano-chitosan

Author:

Abdelhamid Ahmed E.ORCID,Ahmed Eman H.,Awad Hanem M.,Ayoub Magdy M. H.

Abstract

AbstractNew system compromising of chitosan nanoparticles encapsulated pre-synthesized selenium nanoparticles in the presence of 5-fluorouracil was successfully prepared and used for cancer antiproliferation. Selenium nanoparticles were synthesized using ascorbic acid as reducing agent under mild condition. Chitosan nanoparticles were prepared via ionic gelation technique using sodium tri-polyphosphate. Characterization of the prepared nanoparticles was carried out using FTIR, TEM, XRD, TGA and dynamic light scattering (DLS). The results displayed the formation of selenium nanoparticles with an average size 20 nm and chitosan nanoparticles with an average size 207 and 250 nm for neat nano-chitosan and chitosan incorporated 5-fluorouracil/selenium nanoparticles, respectively. The encapsulated nanocomposites were tested for treatment of cancer cell of human colorectal carcinoma (HCT-116), human liver carcinoma (HepG-2), and human breast adenocarcinoma MCF-7. The results indicated the potent cytotoxic activities of all nanocomposite toward the tested cells with enhanced anticancer activity rather than the single drug or neat selenium nanoparticle. All composites were tested against non-tumor fibroblast-derived cell line (BJ) and demonstrated very low cytotoxicity.

Funder

National Research Centre Egypt

Publisher

Springer Science and Business Media LLC

Subject

Materials Chemistry,Polymers and Plastics,Condensed Matter Physics,General Chemistry

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